Whirlpool WVU37UC4F Installation Instructions - Page 7

Calculating Vent System Length To calculate the length of the system you need, add the equivalent feet (meters) for each vent piece used in the system. 7" (17.8 cm) Round Vent System Vent Piece 45° elbow Round 2.5 ft (0.8 m) 3¹⁄4" x 10" (8.3 cm x 25.4 cm) Vent System Vent Piece 3¹⁄4" x 10" (8.3 cm x 25.4 cm) 90° elbow 5.0 ft (1.5 m) 3¹⁄4" x 10" (8.3 cm x 25.4 cm) 12.0 ft flat elbow (3.7 m) 90° elbow 5.0 ft (1.5 m) 3¹⁄4" x 10" (8.3 cm x 25.4 cm) 0.0 ft wall cap (0.0 m) 7" (17.8 cm) wall cap 0.0 ft (0.0 m) 3¹⁄4" x 10" (8.3 cm x 25.4 cm) 4.5 ft to 7" (17.8 cm) (1.4 m) 3¹⁄4" x 10" (8.3 cm x 25.4 cm) 5.0 ft to 7" (17.8 cm) 90° elbow (1.5 m) Example vent system 7" (17.8 cm) round 90˚ elbow 6 ft (1.8 m) Wall cap 2 ft (0.6 m) Maximum Recommended Length 1 - 90° elbow 1 - wall cap 8 ft (2.4 m) straight Length of 7" (17.8 cm) system = 50 ft (15.2 m) = 5.0 ft (1.5 m) = 0.0 ft (0.0 m) = 8.0 ft (2.4 m) = 13.0 ft (3.9 m) Example vent system 3¼" x 10" (8.3 x 25.4 cm) elbow 6 ft (1.8 m) 2 ft (0.6 m) Wall cap Maximum Recommended Length = 35 ft (10.7 m) 1 - 90° elbow = 5.0 ft (1.5 m) 8 ft (2.4 m) straight = 8.0 ft (2.4 m) 1 - wall cap = 0.0 ft (0.0 m) Length of 3¹⁄4" x 10" (8.3 cm x 25.4 cm) = 13.0 ft (3.9 m) system Electrical Requirements Observe all governing codes and ordinances. Ensure that the electrical installation is adequate and in conformance with National Electrical Code, ANSI/NFPA 70 (latest edition), or CSA Standards C22.1-94, Canadian Electrical Code, Part 1 and C22.2 No. 0-M91 (latest edition) and all local codes and ordinances. If codes permit and a separate ground wire is used, it is recommended that a qualified electrician determine that the ground path is adequate. A copy of the above code standards can be obtained from: National Fire Protection Association 1 Batterymarch Park Quincy, MA 02169-7471 CSA International 8501 East Pleasant Valley Road Cleveland, OH 44131-5575 7